Footrest



FIG. 1 is a perspective view of a footrest showing my new design;

FIG. 2 is a front view thereof, a rear view being a mirror image of the front view;

FIG. 3 is a left side view thereof, a right side view being a mirror image of the left side view; and,

FIG. 4 is a top view thereof.

The broken lines illustrate portions of the footrest that form no part of the claimed design. 

CLAIM The ornamental design for a footrest, as shown and described. 